Lighting apparatus



FIG. 1 is a bottom, front, and left side perspective view of my design for a lighting apparatus;

FIG. 2 is a front elevational view thereof in an adjusted configuration;

FIG. 3 is a rear elevational view thereof in an adjusted configuration;

FIG. 4 is a left elevational view thereof in an adjusted configuration;

FIG. 5 is a right elevational view thereof in an adjusted configuration; and,

FIG. 6 is a left side elevational view thereof in an adjusted configuration.

The broken lines and dash-dot lines showing portions of the lighting apparatus form no part of the claimed design. 

The ornamental design for a lighting apparatus, as shown and described. 